NGC 4172
NGC 4172
Illustration from its catalogued shape, not a photograph
Spiral
type · Sab
434 million ly
from Earth · from redshift
155k ly
across
14.3
apparent magnitude
Because its light is 434 million ly from home, you are seeing NGC 4172 as it looked roughly 434 million years ago. The photons left before that much of history had passed, and are only now reaching us. This distance is estimated from the galaxy's redshift, so the lookback time is approximate.
Nearest galaxies
NGC 4198Lenticular2.7 million ly
apartNGC 4181Elliptical29 million ly
apartNGC 3846Barred spiral36 million ly
apartNGC 4187Elliptical41 million ly
apartNGC 4054 NED02Spiral44 million ly
apartNGC 4054 NED01Barred spiral45 million ly
apart
Worlds in the same direction on the sky→apartNGC 4181Elliptical29 million ly
apartNGC 3846Barred spiral36 million ly
apartNGC 4187Elliptical41 million ly
apartNGC 4054 NED02Spiral44 million ly
apartNGC 4054 NED01Barred spiral45 million ly
apart
Source: structural data (position, morphology, brightness, redshift) from OpenNGC (CC BY-SA). Distance computed by gravityfinder from redshift via Hubble's law (H0 = 70 km/s/Mpc).